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package PathModel;

/**
 *
 * @author Alwyn
 */
public interface EarthModel {
    public double getMeanEarthRadius();
    public Location getPointLocation(Location start, double dDistance, double dBearing);
    public double getDistance(Location start,Location finish);
    public double getInitialBearing(Location start,Location finish);
    public Location getPathCentre(Location start, Location finish);
}
